Title Chemistry গুনগত রসায়ন ✅

̧YMZ imvqb  Final Revision Batch 1 ̧YMZ imvqb Qualitative Chemistry wØZxq Aa ̈vq Topicwise Board CQ Analysis eûwbe©vPwb cÖkœ UwcK 2016 2017 2018 2019 2021 2022 2023 †gvU cigvYyi g~j KwYKv, AvB‡mv‡Uvc 1 1 Ñ 2 1 4 4 13 iv`vi‡dvW© I †evi cigvYy g‡Wj, cÖ‡qvM 4 3 Ñ 2 5 12 5 31 †Kvqv›Uvg msL ̈v, AiweU I AiweUvj 6 6 Ñ 6 6 13 12 49 B‡jKUab web ̈vm I Gi wbqgmg~n 3 3 Ñ 3 1 1 4 15 eY©vwjwgwZ, H eY©vwj 12 4 Ñ 4 5 6 16 47 `ave ̈Zv I `ave ̈Zv ̧Ydj 2 8 1 10 3 9 8 41 wkLv cixÿv, Avqb kbv3KiY 5 10 2 7 5 3 4 36 m„Rbkxj cÖkœ UwcK 2016 2017 2018 2019 2021 2022 2023 †gvU iv`vi‡dvW© I †evi cigvYy g‡Wj Ñ 4 Ñ 1 Ñ 1 2 8 †Kvqv›Uvg msL ̈v, AiweU I AiweUvj, B‡jKUab web ̈vm I Gi wbqgmg~n 3 5 2 2 8 5 6 31 Zwor †PŠ¤^Kxq eY©vwj, H eY©vwj 1 2 2 2 6 7 8 28 `ave ̈Zv Ñ 1 Ñ Ñ 3 1 3 8 `ave ̈Zv ̧Ydj, mgAvqb cÖfve 3 5 2 7 8 8 7 40 wkLv cixÿv, Avqb kbv3KiY 3 3 2 3 3 3 5 22 * we.`a.: 2020 mv‡j GBPGmwm cixÿv AbywôZ nqwb| ACS Chemistry Department Gi g‡bvbxZ eûwbe©vPwb cÖkœmg~n cigvYyi g~j KwYKv, AvB‡mv‡Uvc 1. †Kvb KwYKvi ̄’vwqZ¡ me‡P‡q Kg? [Xv. †ev 23] B‡jKUab †cÖvUb wbDUab †gmb 2. K ̈vÝvi wPwKrmvq e ̈eüZ nq †KvbwU? [Xv. †ev 23] He Ne Ar Rn 3. †cÖvU‡bi cÖK...Z fi KZ? [wm. †ev 23] 1.60 × 10–24 g 1.66 × 10–24 g 1.673 × 10–24 g 1.675 × 10–24 g 4. †KvbwU AvB‡mv‡Uvb Gi D`vniY? [g. †ev. 23] 40 18Ar, 40 19K, 40 20Ca 36 16S, 37 17Cl, 39 19K 39 20Ca, 40 20Ca, 41 20Ca 40 19K, 40 20Ca, 39 21Sc 5. AvB‡mv‡Uv‡bi D`vniY †KvbwU? [iv. †ev. 22; h. †ev. 22] 14 6 C , 16 8 O 14 6 C , 14 7 N 3 1H , 2 1H 13 6 C , 17 8 O 6. †Kvb †mUwUi B‡jKUab msL ̈v mgvb? [w`. †ev. 22] Na+ , Ca2+, Sc3+, F– K + , Cl – , Mg2+, Sc3+ Na+ , Mg2+, Al 3+ , Cl – K + , Ca2+, Sc3+, Cl – 7. 30 14Si , 31 15P Ges 32 16S ci ̄ú‡iiÑ [w`. †ev. 22] AvB‡mv‡Uvb AvB‡mv‡Uvc AvB‡mvgvi AvB‡mvevi 8. †h me cigvYyi fi msL ̈v GKB wKš‘ cvigvYweK msL ̈v wfbœ, G‡`i‡K Kx ejv nq? [Xv. †ev. 21] AvB‡mv‡Uvb AvB‡mvgvi AvB‡mvevi AvB‡mv‡Uvc iv`vi‡dvW© I †evi cigvYy g‡Wj, cÖ‡qvM 9. cigvYyi Z...Zxq Kÿc‡_i GKwU B‡jKUa‡bi Rb ̈ †K.wYK fi‡e‡Mi gvb wbY©‡qi mgxKiY †KvbwU? [iv. †ev. 23; wm. †ev. 23] mvr = h 2 mvr = h  mvr = 3h 2 mvr = 3h 

̧YMZ imvqb  Final Revision Batch 3 28. †KvbwU -KYv? [Kz. †ev. 19] GKwU wbDUab I GKwU †cÖvUb `ywU wbDUab I `ywU †cÖvUb GKwU wbDUab I `ywU †cÖvUb `ywU wbDUab I GKwU †cÖvUb †Kvqv›Uvg msL ̈v, AiweU I AiweUvj 29. Cr cigvYyi me©ewnt ̄’ ͇̄ii B‡jKUa‡bi Rb ̈ †Kvqv›Uvg msL ̈vi †mU †KvbwU? [iv. †ev. 23] n = 4, l = 0, m = 0, s = – 1 2 n = 3, l = 0, m = 0, s = – 1 2 n = 3, l = 2, m = – 2, s = – 1 2 n = 4, l = 2, m = 2, s = – 1 2 30. Cu Gi 29 Zg B‡jKUabwU †Kvb AiweUv‡j cÖ‡ek K‡i? [Kz. †ev. 23] 3s 4s 3d 4p 31. K ̈vjwmqv‡gi me©ewnt ̄’ ͇̄ii B‡jKUab؇qi †Kvqv›Uvg msL ̈vi †mU †KvbwU? [Kz. †ev. 23] n = 4, l = 0, m = 0, s = + 1 2 , – 1 2 n = 3, l = 1, m = 0, s = + 1 2 , + 1 2 n = 4, l = 1, m = 0, s = + 1 2 , – 1 2 n = 4, l = 2, m = 0, s = + 1 2 , – 1 2 32. 28Ni Gi KZ ̧‡jv B‡jKUa‡bi †ÿ‡Î (n + l) = 4 nq- (GLv‡b, l = 1) [Kz. †ev. 23] 4 5 6 7 33. cigvYyi Dckw3 ͇̄i B‡jKUab aviY ÿgZv wbY©‡qi m~Î †KvbwU? [P. †ev. 23] 2n2 2l + 1 2(l + 1) 2(2l + 1) 34. 4_© kw3 ͇̄i †gvU AiweUvj msL ̈v KqwU? [P. †ev. 23] 4 9 16 32 35. cigvYyi 3q kw3 ͇̄ii Rb ̈ ÔmÕ Gi gvb KZwU? [wm. †ev. 23] 3 4 6 9 36. 3d AiweUv‡ji Rb ̈ mnKvix †Kvqv›Uvg msL ̈vi gvb KZ? [w`. †ev. 23] 0 1 2 3 37. wb‡Pi †Kvb †Kvqv›Uvg msL ̈vi †mUwU MÖnY‡hvM ̈? [w`. †ev. 23] n = 1, l = 0, m = 0 n = 2, l = 1, m = – 2 n = 3, l = 1, m = + 2 n = 3, l = 2, m = – 3 38. 19K Gi me©‡kl kw3 ͇̄ii B‡jKUa‡bi Rb ̈ †Kvb †mUwU mwVK? [g. †ev. 23; w`. †ev. 22] n = 3, l = 2, m = – 2, s = – 1 2 n = 3, l = 1, m = 0, s = + 1 2 n = 4, l = 0, m = 0, s = + 1 2 n = 3, l = 2, m = + 2, s = – 1 2 39. B‡jKUab Øviv c~Y© nIqvi Rb ̈ AiweUv‡ji †Kvb μgwU mwVK? [Xv. †ev. 23] 4s > 3p > 4p > 5s 4s > 3d > 4p > 5s 4s > 3d > 5p > 4d 5s > 4p > 5p > 4d 40. D”P kw3i AiweUvj wb‡Pi †KvbwU? [P. †ev. 23] 3d 4f 5p 6s 41. †Kv‡bv cigvYyi PZz_© kw3 ͇̄i KZwU Dckw3 ̄Íi _v‡K? [Xv. †ev. 22] 2 3 4 5 42. f AiweUv‡ji Rb ̈ l Gi gvb KZ? [Xv. †ev. 22] 2 3 4 5 43. †Kvqv›Uvg msL ̈vi gvb n = 4 Ges l = 3 n‡j AiweUvjwU n‡eÑ [iv. †ev. 22; h. †ev. 22] 4s 4p 4d 4f 44. 3d AiweUv‡ji c‡i †KvbwU‡Z B‡jKUab cÖ‡ek Ki‡e? [Kz. †ev. 22] 4p 4d 4s 5s
4  Chemistry 1st Paper Chapter-2 45. 4p AiweUv‡ji Rb ̈ mnKvix †Kvqv›Uvg msL ̈vi gvb KZ? [Kz. †ev. 22] 0 1 2 3 46. †P.¤^K †Kvqv›Uvg msL ̈v Øviv Kx cvIqv hvq? [h. †ev. 22] cÖavb kw3 ̄Íi Dckw3 ̄Íi AiweUvj B‡jKUa‡bi N~Y©‡bi w`K 47. †h †Kv‡bv AiweUv‡j m‡e©v”P aviYK...Z B‡j±ab msL ̈v KZwU? [e. †ev. 22] 2n2 (2l + 1) 2(2l + 1) 2(2n + 1) 48. †Kvqv›Uvg msL ̈vi gv‡bi †Kvb †mUwU Aev ̄Íe? [wm. †ev. 22] 3, 2, – 2, + 1 2 4, 0, 0, + 1 2 3, 2, – 3, + 1 2 5, 3, 0, – 1 2 49. cigvYy‡Z AiweUv‡ji aviYv cvIqv hvq †Kvb Drm †_‡K? [wm. †ev. 22; Xv. †ev. 21] †evi g‡Wj iv`vi‡dvW© g‡Wj †Kvqv›Uvg ZË¡ AvDdevD bxwZ 50. 3d AiweUv‡ji Rb ̈ m Gi gvb †Kvb †mU n‡e? [g. †ev. 22] 0 – 1, 0, + 1 – 2, – 1, 0, + 1, + 2 – 3, – 2, – 1, 0, + 1, + 2, + 3 51. p Dc ͇̄ii Rb ̈Ñ [g. †ev. 22] (i) l = 1 (ii) m = – 1, 0, + 1 (iii) AiweUvj msL ̈v 2 wb‡Pi †KvbwU mwVK? i I ii ii I iii i I iii i, ii I iii 52. †KvbwU AvK...wZ cÖKvk K‡i? [Xv. †ev. 21] cÖavb †Kvqv›Uvg msL ̈v †PŠ¤^K †Kvqv›Uvg msL ̈v mnKvix †Kvqv›Uvg msL ̈v N~Y©b †Kvqv›Uvg msL ̈v 53. †Kvb AiweUvjwU m¤¢e? [Xv. †ev. 21] 5s 3f 2d 1p 54. †KvbwU‡Z B‡jKUab Av‡M cÖek Ki‡e? [Xv. †ev. 21] 6p 5d 4f 7s 55. 4f AiweUv‡ji (n + l) Gi gvb KZ? [iv. †ev. 21] 4 6 7 11 56. †Kv‡bv B‡jKUa‡bi Rb ̈ †Kvqv›Uvg msL ̈vi †Kvb †mUwU MÖnY‡hvM ̈? [Kz. †ev. 21]     1 1 1 + 1 2     2 0 1 + 1 2     4 2 – 1 – 1 2     3 1 – 2 – 1 2 57. 28Ni-Gi KZ ̧‡jv B‡jKUa‡bi †ÿ‡Î (n + l) = 4 nq? [Xv. †ev. 19] 3 6 7 8 58. GKwU cigvYy‡Z `ywU B‡jKUa‡bi m‡e©v”P KqwU †Kvqv›Uvg msL ̈vi gvb GKB n‡Z cv‡i? [Kz. †ev. 19] 1 2 3 4 59. cÂg kw3 ͇̄i †gvU AiweUvj KZwU? [P. †ev. 19] 5wU 9wU 16wU 25wU B‡jKUab web ̈vm I Gi wbqgmg~n 60. wb‡Pi †KvbwU AvDdevD bxwZi weKí iƒc? [Xv. †ev. 23] 2n2 wbqg 2l + 1 wbqg n + l wbqg 2(2l + 1) wbqg 61. û‡Ûi bxwZ †KvbwUi †ÿ‡Î cÖ‡hvR ̈ bq? [h. †ev. 23; iv. †ev. 21] s p d f 62. wb‡Pi †Kvb bxwZ Abymv‡i AhyM¥ B‡jKUabmg~‡ni w ̄úb GKBgyLx n‡e? [h. †ev. 23] cwji eR©b bxwZ û‡Ûi bxwZ AvDdevD bxwZ dvhv‡bi bxwZ 63. wfbœ wfbœ kw3i Dckw3 ͇̄i B‡jKUab ̧‡jv cÖ‡e‡ki †ÿ‡Î †Kvb bxwZ AbymiY K‡i? [e. †ev. 23] AvDdevD bxwZ û‡Ûi bxwZ cvDwji eR©b bxwZ nvB‡Rbev‡M©i AwbðqZv bxwZ